Home / 15,297.17-21,110.42-8,583.28

Finding the Fourth Proportional to 15,297.17, 21,110.42 and 8,583.28

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Solution

The fourth proportional to 15,297.17, 21,110.42 and 8,583.28 is: 11,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.17 : 21,110.42 = 8,583.28 : x
  2. Step 2: Convert to fraction form
    15,297.17/21,110.42 = 8,583.28/x
  3. Step 3: Cross multiply
    15,297.17x = 21,110.42 × 8,583.28
  4. Step 4: Simplify right side
    15,297.17x = 181,196,733.21
  5. Step 5: Solve for x
    x = 181,196,733.21/15,297.17
  6. Step 6: Final answer
    x = 11,845.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.